DR. ANNIE YI-AN CHI MD
NPI 1962564336
Pediatrics - Neonatal-Perinatal Medicine in Chicago, IL
About Dr. Annie Yi-an Chi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANNIE YI-AN CHI MD (NPI 1962564336) is an individual neonatal-perinatal medicine provider in Chicago, Illinois and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Annie Yi-an Chi Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Annie Chi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Houston, TX 77082
- Reassigned Medicare billing, Texas enrollment
- 508 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60614
CHICAGO, IL 60614
CHICAGO, IL 60614
CHICAGO, IL 60614
CHICAGO, IL 60614
CHICAGO, IL 60614
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Annie Chi's NPI number?
The NPI number for Annie Chi is 1962564336. It was assigned to this individual provider in the NPPES registry on December 14, 2006.
Where is Annie Chi located?
Annie Chi practices at 2300 N Childrens Plz Box 45, Chicago, IL 60614. The listed phone number is (773) 880-3227.
What is Annie Chi's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is Annie Chi enrolled in Medicare?
Yes. Annie Chi is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Annie Chi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Annie Chi reassigns Medicare benefits to Pediatrix Medical Group Of Texas Billing, Inc. (Houston, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Annie Chi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Annie Chi accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Oscar Insurance Company and WellPoint list Annie Chi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Annie Chi was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Annie Yi-An Chi, MD · NPI 1962564336
Neonatal-Perinatal Medicine physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since December 14, 2006.
## Identity
- **NPI:** 1962564336 (Entity type: Individual)
- **Enumerated:** December 14, 2006
- **Primary specialty:** Pediatrics - Neonatal-Perinatal Medicine · taxonomy 2080N0001X
- **Sole proprietor:** No
## Practice location
- **Address:** 2300 N CHILDRENS PLZ, BOX 45, Chicago, IL 60614-3363
- **Phone:** (773) 880-3227
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Pediatrix Medical Group Of Texas Billing, Inc. (NPI 1649377359, Houston, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1962564336) · Data from the CMS NPPES public registry.